421112299 has 2 divisors, whose sum is σ = 421112300. Its totient is φ = 421112298.

The previous prime is 421112291. The next prime is 421112327. The reversal of 421112299 is 992211124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421112299 - 2³ = 421112291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421112299.

It is not a weakly prime, because it can be changed into another prime (421112291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210556149 + 210556150.

It is an arithmetic number, because the mean of its divisors is an integer number (210556150).

Almost surely, 2^421112299 is an apocalyptic number.

421112299 is a deficient number, since it is larger than the sum of its proper divisors (1).

421112299 is an equidigital number, since it uses as much as digits as its factorization.

421112299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 421112299 is about 20521.0209054033. The cubic root of 421112299 is about 749.5477563928.

The spelling of 421112299 in words is "four hundred twenty-one million, one hundred twelve thousand, two hundred ninety-nine".